21032310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 33802890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 199, 271, 390, 398, 542, 597, 813, 995, 1194, 1355, 1626, 1990, 2587, 2710, 2985, 3523, 4065, 5174, 5970, 7046, 7761, 8130, 10569, 12935, 15522, 17615, 21138, 25870, 35230, 38805, 52845, 53929, 77610, 105690, 107858, 161787, 269645, 323574, 539290, 701077, 808935, 1402154, 1617870, 2103231, 3505385, 4206462, 7010770, 10516155, 21032310]

約数ペア:

[(1, 21032310), (2, 10516155), (3, 7010770), (5, 4206462), (6, 3505385), (10, 2103231), (13, 1617870), (15, 1402154), (26, 808935), (30, 701077), (39, 539290), (65, 323574), (78, 269645), (130, 161787), (195, 107858), (199, 105690), (271, 77610), (390, 53929), (398, 52845), (542, 38805), (597, 35230), (813, 25870), (995, 21138), (1194, 17615), (1355, 15522), (1626, 12935), (1990, 10569), (2587, 8130), (2710, 7761), (2985, 7046), (3523, 5970), (4065, 5174)]